Answer 4th part with explanation
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3^2 + 4^2 +2^2
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this is because of the law of exponent.
a^(-m) =1/a
sharmalalit008:
But -2 is given
that's whT i am trying to say ....
if the exponent is -ve we reciprocate the number Nd the exponent becoms +ve
understand?
Yup
I got it
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